15 of the hardest words to spell in the English language

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Dilate

With only six letters, “dilate” really shouldn’t be hard to spell, but the way people usually pronounce it can throw spellers for a loop. Many people say “dilate” as three full syllables, “di-a-late,” leading themselves and others to add in an extra “a” while spelling it. But let’s put this easy misunderstanding to rest – there’s no such word as “dialate.”